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[Volume 4 Table of Contents]

Final PIMS™ Treatability Study Report

February 2004

Executive Summary

Section 1 - Introduction

1.1   Purpose of Report

1.2   Background

1.3   Objectives of the Demonstration

1.4   Regulatory Drivers

1.5   Report Organization

Section 2 - Site and Study Background

2.1   Facility Description

2.2   Site Background and History

Section 3 - Technology Description

3.1   Technology Development and Application

3.1.1   Typical Emplacement Methods

3.1.2   The Approach at Camp Stanley

3.2   Factors Affecting Cost and Performance

3.3   Advantages and Limitations of the Technology

Section 4 - Demonstration Design

4.1   Performance Objectives

4.2   Test Site Selection

4.3   Pre-Demonstration Testing and Analysis

4.4   Testing and Evaluation Plan

4.4.1   Demonstration Set-Up and Start-Up

4.4.2   Period of Operation

4.4.3   Amount/Treatment Rate of Material Treated

4.4.4   Residuals Handling

4.4.5   Operating Parameters for the Technology

4.4.6   Experimental Design

4.4.7  Sampling Plan

4.4.8   Demobilization

4.5   Selection of Analytical/Testing Methods

4.6   Selection of Analytical/Testing Laboratory

Section 5 - Performance Assessment

5.1   Performance Criteria

5.2   Technology Comparison

5.2.1   Contaminant Removal Technology

5.2.2   Waste Treatment Technologies

5.3   Performance Confirmation Methods

5.4   Data Analysis, Interpretation, and Evaluation

5.4.1   Correlation Between Operating Parameters and Required Performance Specifications

5.4.2   How Optimum Operating Conditions Identified Were Confirmed Through Subsequent Process Operation

5.4.3   Data Reduction, Validation and Reporting

5.4.4   Risk Assessment

5.4.5   Preliminary Remediation Goal Calculation

5.4.6   Risk Assessment Results and Discussion

5.4.7   Baseline or Competing Alternative

Section 6 - Cost Assessment

6.1   Cost Reporting

6.2   Cost Analysis

Section 7 - Conclusions and Recommendations

7.1   Conclusions

7.2   Other Regulatory Issues

7.3   Recommendations

Section 8 - References

Appendices

Appendix A   Analytical Results Supporting Experimental Design

Appendix B   Lead Bioaccessibility from Amended Soils: Camp Stanley, Texas

Figures

Figure 2.1   PIMS™ Study Site Location Map, Camp Stanley Storage Activity

Figure 4.1   Column Tests Using the TCLP Solutions, Using Soil With 5% Apatite II Added and Soil Without APATITE II, In Duplicate

Figure 4.2   SWMUs B-10 and B-20 Location Map

Figure 4.3   Phase I PIMS™ Location

Figure 4.4   Phase I PIMS™ Layout

Figure 4.5   Phase II PIMS™ Field Scale Location Map

Figure 4.6   Phase II Monitoring Detail

Figure 5.1   Lognormal Distribution of Analytical Data

Figure 6.1   Technology Cost Comparison

Tables

Table 3.1   Stability of Apatite Minerals

Table 4.1   Performance Objectives

Table 4.2   Metal Concentrations in the B-20 and B-24 Soil Piles Designated for Remediation in this Demonstration

Table 5.1   Performance Criteria

Table 5.2   Expected Performance and Performance Confirmation Methods

Table 5.3   TCLP Results for Amended Soils

Table 5.4   Leachate Monitoring Results

Appendices

Appendix A   Analytical Results Supporting Experimental Design

The analytical results used in supporting the experimental design of the PIMS™ field demonstration and included as data tables.

Appendix B   Lead Bioaccessibility from Amended Soils: Camp Stanley, Texas